Currently, the chromosomal abnormality rate among newlyweds nationwide is 0.8%. Recently in Wuxi, at the \”Newlyweds Chromosome Abnormality Screening Project\” appraisal meeting, Wang Yifang, director of the Wuxi Family Planning Science and Technology Guidance Center, introduced that the chromosomal abnormality detection rate of newlyweds in Wuxi was 0.76%, and 53 newlyweds were screened for chromosomal abnormalities. Sex chromosome abnormalities accounted for 41.7% of the total number of chromosomal abnormalities, including 7 cases of male infertility, accounting for 5.5%; 51 cases of women prone to miscarriage